set RPM_INSTALL_PREFIX environment variable in runScript() when appropriate

CVS patchset: 764
CVS date: 1996/07/10 14:11:04

diff --git a/lib/uninstall.c b/lib/uninstall.c
index 0c0d163..b9bed9b 100644 (file)
--- a/lib/uninstall.c
+++ b/lib/uninstall.c
@@ -290,12 +290,21 @@ int runScript(char * prefix, Header h, int tag, int arg, int norunScripts) {
     int child;
     int status;
     char upgradeArg[20];
+    char * installPrefix = NULL;
+    char * installPrefixEnv = NULL;
 
     sprintf(upgradeArg, "%d", arg);
 
     if (norunScripts) return 0;
-    
+
     if (getEntry(h, tag, &type, (void **) &script, &count)) {
+       if (getEntry(h, RPMTAG_INSTALLPREFIX, &type, (void **) &installPrefix,
+                    &count)) {
+           installPrefixEnv = alloca(strlen(installPrefix) + 30);
+           strcpy(installPrefixEnv, "RPM_INSTALL_PREFIX=");
+           strcat(installPrefixEnv, installPrefix);
+       }
+
        fn = tmpnam(NULL);
        message(MESS_DEBUG, "script found - running from file %s\n", fn);
        fd = open(fn, O_CREAT | O_RDWR);
@@ -309,8 +318,11 @@ int runScript(char * prefix, Header h, int tag, int arg, int norunScripts) {
        
        /* run the script via /bin/sh - just feed the commands to the
           shell as stdin */
-       child = fork();
-       if (!child) {
+       if (!(child = fork())) {
+           if (installPrefixEnv) {
+               putenv(installPrefixEnv);
+           }
+
            lseek(fd, 0, SEEK_SET);
            close(0);
            dup2(fd, 0);